Split the Id related functions out from Var into Id, document Var and some of Id

[ghc-hetmet.git] / compiler / iface / IfaceSyn.lhs

diff --git a/compiler/iface/IfaceSyn.lhs b/compiler/iface/IfaceSyn.lhs
index 21080ee..39a1fd2 100644 (file)
--- a/compiler/iface/IfaceSyn.lhs
+++ b/compiler/iface/IfaceSyn.lhs
@@ -24,7 +24,6 @@ module IfaceSyn (
 
 #include "HsVersions.h"
 
-import CoreSyn
 import IfaceType
 
 import NewDemand
@@ -663,13 +662,16 @@ freeNamesIfDecl (IfaceId _s t i) =
 freeNamesIfDecl IfaceForeign{} = 
   emptyNameSet
 freeNamesIfDecl d@IfaceData{} =
+  freeNamesIfTvBndrs (ifTyVars d) &&&
   freeNamesIfTcFam (ifFamInst d) &&&
   freeNamesIfContext (ifCtxt d) &&&
   freeNamesIfConDecls (ifCons d)
 freeNamesIfDecl d@IfaceSyn{} =
+  freeNamesIfTvBndrs (ifTyVars d) &&&
   freeNamesIfType    (ifSynRhs d) &&&
   freeNamesIfTcFam (ifFamInst d)
 freeNamesIfDecl d@IfaceClass{} =
+  freeNamesIfTvBndrs (ifTyVars d) &&&
   freeNamesIfContext (ifCtxt d) &&&
   freeNamesIfDecls   (ifATs d) &&&
   fnList freeNamesIfClsSig (ifSigs d)
@@ -697,6 +699,8 @@ freeNamesIfConDecls _               = emptyNameSet
 
 freeNamesIfConDecl :: IfaceConDecl -> NameSet
 freeNamesIfConDecl c = 
+  freeNamesIfTvBndrs (ifConUnivTvs c) &&&
+  freeNamesIfTvBndrs (ifConExTvs c) &&&
   freeNamesIfContext (ifConCtxt c) &&& 
   fnList freeNamesIfType (ifConArgTys c) &&&
   fnList freeNamesIfType (map snd (ifConEqSpec c)) -- equality constraints
@@ -715,9 +719,24 @@ freeNamesIfType (IfaceAppTy s t)      = freeNamesIfType s &&& freeNamesIfType t
 freeNamesIfType (IfacePredTy st)      = freeNamesIfPredType st
 freeNamesIfType (IfaceTyConApp tc ts) = 
    freeNamesIfTc tc &&& fnList freeNamesIfType ts
-freeNamesIfType (IfaceForAllTy _tv t)  = freeNamesIfType t
+freeNamesIfType (IfaceForAllTy tv t)  =
+   freeNamesIfTvBndr tv &&& freeNamesIfType t
 freeNamesIfType (IfaceFunTy s t)      = freeNamesIfType s &&& freeNamesIfType t
 
+freeNamesIfTvBndrs :: [IfaceTvBndr] -> NameSet
+freeNamesIfTvBndrs = fnList freeNamesIfTvBndr
+
+freeNamesIfBndr :: IfaceBndr -> NameSet
+freeNamesIfBndr (IfaceIdBndr b) = freeNamesIfIdBndr b
+freeNamesIfBndr (IfaceTvBndr b) = freeNamesIfTvBndr b
+
+freeNamesIfTvBndr :: IfaceTvBndr -> NameSet
+freeNamesIfTvBndr (_fs,k) = freeNamesIfType k
+    -- kinds can have Names inside, when the Kind is an equality predicate
+
+freeNamesIfIdBndr :: IfaceIdBndr -> NameSet
+freeNamesIfIdBndr = freeNamesIfTvBndr
+
 freeNamesIfIdInfo :: IfaceIdInfo -> NameSet
 freeNamesIfIdInfo NoInfo = emptyNameSet
 freeNamesIfIdInfo (HasInfo i) = fnList freeNamesItem i
@@ -759,8 +778,11 @@ freeNamesIfTc (IfaceTc tc) = unitNameSet tc
 freeNamesIfTc _ = emptyNameSet
 
 freeNamesIfRule :: IfaceRule -> NameSet
-freeNamesIfRule (IfaceRule _n _a _bs f es rhs _o)
-  = unitNameSet f &&& fnList freeNamesIfExpr es &&& freeNamesIfExpr rhs
+freeNamesIfRule (IfaceRule _n _a bs f es rhs _o)
+  = unitNameSet f &&&
+    fnList freeNamesIfBndr bs &&&
+    fnList freeNamesIfExpr es &&&
+    freeNamesIfExpr rhs
 
 -- helpers
 (&&&) :: NameSet -> NameSet -> NameSet